Phleger corer

The Phleger corer is a type of coring device used in undersea exploration to collect samples of seafloor sediments. It is designed to retrieve a roughly cylindrical piece of the upper layer of the ocean bottom, typically to a depth of about one meter. This tool is part of a broader technique called core sampling, which involves using specialized drills to extract subsurface material for examination. These samples are crucial for understanding geological history, past oceanic conditions, and the composition of marine sediments. Other coring devices, like the piston corer, can retrieve much deeper samples.12